/Engine/Source/Runtime/Engine/Public/PackedLevelActor/PackedLevelActorBuilder.h
const [TMap](API\Runtime\Core\Containers\TMap)< [FPackedLevelActorBuilderClusterID](API\Runtime\Engine\PackedLevelActor\FPackedLevelActorBuilderClusterI-), [TArray](API\Runtime\Core\Containers\TArray)< [UActorComponent](API\Runtime\Engine\Components\UActorComponent) * > > & GetClusters() const